Dyersburg, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.7 °F (low) to 69.6 °F (high). Annual precipitation averages 54.3 Inches. Dyersburg is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.8 °F | 46.1 °F | 4.08 in. |
| February | 32.0 °F | 50.7 °F | 4.55 in. |
| March | 39.8 °F | 59.8 °F | 5.13 in. |
| April | 49.2 °F | 70.5 °F | 5.1 in. |
| May | 59.5 °F | 78.9 °F | 5.55 in. |
| June | 67.3 °F | 86.6 °F | 4.84 in. |
| July | 70.6 °F | 89.4 °F | 3.95 in. |
| August | 68.5 °F | 88.7 °F | 3.2 in. |
| September | 61.0 °F | 83.1 °F | 3.6 in. |
| October | 49.0 °F | 72.6 °F | 4.12 in. |
| November | 39.1 °F | 59.7 °F | 4.76 in. |
| December | 32.1 °F | 49.3 °F | 5.44 in. |
| Annual | 49.7 °F | 69.6 °F | 54.32 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |